CN108083299B - Potassium nitrate crystallization production system - Google Patents
Potassium nitrate crystallization production system Download PDFInfo
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- CN108083299B CN108083299B CN201810049378.9A CN201810049378A CN108083299B CN 108083299 B CN108083299 B CN 108083299B CN 201810049378 A CN201810049378 A CN 201810049378A CN 108083299 B CN108083299 B CN 108083299B
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- cooling
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D9/00—Nitrates of sodium, potassium or alkali metals in general
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Agronomy & Crop Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention discloses a potassium nitrate crystallization production system which comprises an evaporation bin, a cooling bin, a heating plate, a first water pump, a second water pump, a third water pump, a refrigerator, a cooling pipe, a first filter, a second filter, a spray pipe, a heating controller, a first water pipe, a second water pipe, a third water pipe and a water tank, wherein the heating plate is fixed at the bottom of the evaporation bin, the first filter is arranged in the evaporation bin and connected with the first water pipe, the first water pipe passes through one side of the evaporation bin and is communicated with a first water pump input pipe, a first water pump output pipe is connected with the spray pipe, the spray pipe passes through one side of the cooling bin, the cooling pipe is arranged in the cooling bin, and the cooling pipe is folded, a water tank is fixed at one side of the cooling bin.
Description
Technical Field
The invention relates to the technical field of potassium nitrate crystallization production, in particular to a potassium nitrate crystallization production system.
Background
The potassium nitrate has very wide application in agricultural markets, and belongs to binary compound fertilizers. The potassium nitrate is a chlorine-free potassium and nitrogen-free compound fertilizer, the total content of plant nutrient potassium and nitrogen can reach about 50 percent, and the compound fertilizer has good physical and chemical properties. The potassium nitrate applied to tobacco has high fertilizer efficiency, is easy to absorb, promotes early emergence of seedlings, increases tobacco yield, and plays an important role in improving tobacco quality.
The potassium nitrate is used more, so the method is also an important industry for preparing the potassium nitrate, but the prior art system is very complex for preparing the potassium nitrate, has low efficiency, has poor impurities and has low purity.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a potassium nitrate crystallization production system with simple structure, high efficiency, low cost and high purity, which comprises an evaporation bin, a cooling bin, a heating plate, a first water pump, a second water pump, a third water pump, a refrigerator, a cooling pipe, a first filter, a second filter, a spray pipe, a heating controller, a first water pipe, a second water pipe, a third water pipe and a water tank.
Preferably, a heating controller is fixed on one side of the evaporation bin, and the heating controller is electrically connected with the heating plate.
Preferably, a control panel is fixed on one side of the cooling bin, and the control panel is electrically connected with the first water pump, the second water pump and the third water pump.
Preferably, a first discharge hole is formed in one side of the bottom of the evaporation bin, and a first sealing plug is arranged in the first discharge hole.
Preferably, a second discharging hole is formed in one side of the bottom of the cooling bin, and a second sealing plug is arranged in the second discharging hole.
The beneficial effects of the invention are as follows: firstly, adding mixed liquid to be crystallized into an evaporation bin, then starting a heating plate to work through a control temperature controller, heating to a certain temperature, starting the temperature rise of the mixed liquid to be crystallized to evaporate, gradually precipitating sodium chloride as the water of the mixed liquid is evaporated in a large quantity, then starting a first water pump to pump evaporated liquid to a spray pipe, filtering the precipitated sodium chloride by a first filter, starting a third water pump and a refrigerator to work through a control panel, driving cooling liquid to circulate in the cooling pipe, spraying the evaporated liquid to the surface of the cooling pipe through the spray pipe, rapidly reducing the solubility of potassium nitrate due to temperature reduction, precipitating potassium nitrate crystals at the bottom of the cooling bin, then starting a second water pump through the control panel, pumping the liquid which is not completely precipitated potassium nitrate into the evaporation bin again, filtering the precipitated potassium nitrate crystals by the second filter, evaporating and cooling for another round, starting a first discharge hole at the bottom of the evaporation bin after the task is completed, taking out the crystallized sodium chloride, starting a second discharge hole at the bottom of the cooling bin, taking out the potassium nitrate crystals, and completing the work.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. an evaporation bin; 2. a cooling bin; 3. a heating plate; 4. a first water pump; 5. a second water pump; 6. a third water pump; 7. a refrigerator; 8. a cooling tube; 9. a first filter; 10. a second filter; 11. a first sealing cover; 12. a second sealing cover; 13. a shower pipe; 14. a heating controller; 15. a second discharge port; 16. a first discharge port; 17. a first water pipe; 18. a second water pipe; 19. a third water pipe; 20 a control panel; 21 water tank.
Detailed Description
Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
The potassium nitrate crystallization production system shown in figure 1 comprises an evaporation bin 1, a cooling bin 2, a heating plate 3, a first water pump 4, a second water pump 5, a third water pump 6, a refrigerator 7, a cooling pipe 8, a first filter 9, a second filter 10, a spray pipe 13, a heating controller 14, a first water pipe 17, a second water pipe 18, a third water pipe 19 and a water tank 21, wherein the heating plate 3 is fixed at the bottom of the evaporation bin 1, the first filter 9 is arranged in the evaporation bin 1, the first filter 9 is connected with the first water pipe 17, an output pipe of the first water pump 4 is connected with the spray pipe 13 through one side of the evaporation bin 1, the spray pipe 13 is positioned at the upper part of the cooling bin 2, a plurality of small holes are formed in the lower part of the spray pipe 13, the cooling pipe 8 is arranged in the cooling bin 2, the cooling pipe 8 is folded, one side of the cooling bin 2 is fixedly provided with a water tank 21, one end of the cooling pipe 8 passes through the cooling bin 2 and is communicated with the water tank 21, the input pipe of the third water pump 6 is communicated with the water tank 21, the output pipe of the third water pump 6 is communicated with the input pipe of the refrigerator 7, one end of the cooling pipe 8 far away from the water tank 21 passes through the cooling bin 2 and is communicated with the output end of the refrigerator 7, a second filter 10 is arranged in the cooling bin 2, the second filter 10 is communicated with a second water pipe 18, the second water pipe 18 passes through the cooling bin 2 and is communicated with the input pipe of the second water pump 5, the output pipe of the second water pump 5 is communicated with one end of the third water pipe 19, the other end of the third water pipe 19 stretches into the top of the evaporation bin 1, one side of the evaporation bin 1 is fixedly provided with a heating controller 14, the heating controller 14 is electrically connected with the heating plate 3, the heating controller 14 can control the heating plate 3 to increase to a proper temperature for evaporation work, a control panel 20 is fixed on one side of the cooling bin 2, the control panel 20 is electrically connected with the first water pump 4, the second water pump 5 and the third water pump 6 to concentrate a plurality of operations together, the control is convenient, the work rate can be improved, a first discharge hole 16 is formed in one side of the bottom of the evaporation bin 1, a first sealing plug 11 is arranged in the first discharge hole 16, after the work is finished, sodium chloride which is a byproduct of crystallization can be collected and separated from the first discharge hole 16, the evaporation bin 1 is also convenient to clean, a second discharge hole 15 is formed in one side of the bottom of the cooling bin 1, a second sealing plug 12 is arranged in the second discharge hole 15, and after the work is finished, main products potassium nitrate can be taken out from the second discharge hole 15, so that the work and the cleaning work of the cooling bin 2 are convenient.
The working principle of the specific embodiment is as follows: firstly, the mixed liquid to be crystallized is added into the evaporation bin 1, then the heating plate 3 is started to work through the control temperature controller 14 and heated to a certain temperature, the mixed liquid to be crystallized starts to be evaporated, as the water of the mixed liquid is evaporated in a large quantity, sodium chloride is gradually precipitated, then the first water pump 4 is started to pump the evaporated liquid to the spray pipe 13, the first filter 9 can filter the precipitated sodium chloride, the third water pump 6 and the refrigerator 7 are started to work through the control panel 20 to drive the cooling liquid to circulate in the cooling pipe 8, the evaporated liquid is sprayed onto the surface of the cooling pipe 8 through the spray pipe 13, the solubility of potassium nitrate is drastically reduced due to the reduction of the temperature, potassium nitrate crystals are precipitated at the bottom of the cooling bin 2, then the second water pump 5 is started through the control panel 20, the liquid which is not completely precipitated potassium nitrate is pumped into the evaporation bin 1 again, the second filter 10 can filter the precipitated potassium nitrate crystals, the evaporated and cooled again, after the task is completed, the first discharge port 16 at the bottom of the evaporation bin 1 is started, the crystallized sodium chloride is taken out, the second discharge port 15 at the bottom of the cooling bin 2 is started, the potassium nitrate crystals are discharged through the spray pipe 13, the potassium nitrate crystals are completely cooled, the potassium nitrate crystal is produced, the potassium nitrate crystal production efficiency is improved, the operation is convenient, the potassium nitrate recycling system is completed, and the potassium nitrate production efficiency is easy, and the potassium nitrate can be cooled, and the purity can be safely cooled, and the operation is guaranteed, and the system is convenient, and the purity can be cooled.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (1)
1. The utility model provides a potassium nitrate crystallization production system, includes evaporation storehouse (1), cooling storehouse (2), hot plate (3), first water pump (4), second water pump (5), third water pump (6), refrigerator (7), cooling tube (8), first filter (9), second filter (10), shower (13), heating controller (14), first water pipe (17), second water pipe (18), third water pipe (19) and water tank (21), its characterized in that: the utility model discloses a refrigerator, including evaporating storehouse (1), evaporating storehouse (1) bottom is fixed with hot plate (3), be equipped with first filter (9) in the evaporating storehouse (1), and first filter (9) are connected with first water pipe (17), first water pipe (17) pass evaporating storehouse (1) one side and first water pump (4) input tube are linked together, first water pump (4) output tube is connected with shower (13), shower (13) pass cooling storehouse (2) one side, and shower (13) are located cooling storehouse (2) upper portion, a plurality of apertures are opened to shower (13) lower part, be equipped with cooling tube (8) in cooling storehouse (2), and cooling tube (8) are folding, cooling storehouse (2) one side is fixed with water tank (21), cooling tube (8) one end is linked together with water tank (21) through cooling storehouse (2), third water pump (6) input tube is linked together with water tank (21), the output tube of third water pump (6) is linked together with cooling storehouse (7) one end (7) is kept away from with cooling storehouse (2) and is equipped with cooling tube (10) and is linked together with cooling storehouse (2) in a second filter (10), the second water pipe (18) passes through the cooling bin (2) to be communicated with an input pipe of the second water pump (5), an output pipe of the second water pump (5) is communicated with one end of the third water pipe (19), and the other end of the third water pipe (19) extends into the top of the evaporation bin (1);
a heating controller (14) is fixed on one side of the evaporation bin (1), and the heating controller (14) is electrically connected with the heating plate (3);
a control panel (20) is fixed on one side of the cooling bin (2), and the control panel (20) is electrically connected with the first water pump (4), the second water pump (5) and the third water pump (6);
a first discharge hole (16) is formed in one side of the bottom of the evaporation bin (1), and a first sealing plug (11) is arranged in the first discharge hole (16);
a second discharge hole (15) is formed in one side of the bottom of the cooling bin (1), and a second sealing plug (12) is arranged in the second discharge hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049378.9A CN108083299B (en) | 2018-01-18 | 2018-01-18 | Potassium nitrate crystallization production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810049378.9A CN108083299B (en) | 2018-01-18 | 2018-01-18 | Potassium nitrate crystallization production system |
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| Publication Number | Publication Date |
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| CN108083299A CN108083299A (en) | 2018-05-29 |
| CN108083299B true CN108083299B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810049378.9A Active CN108083299B (en) | 2018-01-18 | 2018-01-18 | Potassium nitrate crystallization production system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068357A (en) * | 2020-03-12 | 2020-04-28 | 沧州磐希化工有限公司 | 3.5-dimethyl benzoic acid's concentrated crystallization device |
| CN212504022U (en) * | 2020-06-12 | 2021-02-09 | 金钾科技有限公司 | Circulating potassium nitrate crystallization device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB267996A (en) * | 1925-11-18 | 1927-03-18 | Arthur Lambert | Improvements in processes for the manufacture of potassium nitrate |
| GB343287A (en) * | 1930-01-23 | 1931-02-19 | Le Nitro Sel | Improvements in or relating to the manufacture of potassium nitrate |
| RU2317255C1 (en) * | 2006-09-13 | 2008-02-20 | Открытое акционерное общество "Азот" | Potassium nitrate production process |
| CN101143731A (en) * | 2007-09-05 | 2008-03-19 | 化工部长沙设计研究院 | Vacuum crystallization technique for producing potassium nitrate from potassium chloride by sodium nitrate |
| CN101177287A (en) * | 2007-11-16 | 2008-05-14 | 新疆硝石钾肥有限公司 | Method for producing potassium nitrate by chilisaltpeter ore transformation process |
| CN101234768A (en) * | 2007-01-31 | 2008-08-06 | 新疆硝石钾肥有限公司 | Method for producing potassium nitrate by sodium nitrate and potassium chloride double decomposition reaction |
| CN201454126U (en) * | 2009-08-18 | 2010-05-12 | 湖南丹化农资有限公司 | Vacuum concentration device for separating ammonium chloride in production of potassium nitrate |
| CN201458761U (en) * | 2009-08-18 | 2010-05-12 | 湖南丹化农资有限公司 | Vacuum cooling crystallizer for producing potassium nitrate |
| CN102838139A (en) * | 2012-10-09 | 2012-12-26 | 新疆安华矿业投资有限公司 | Method for producing potassium nitrate by utilizing salt lake brine in brine mixing mode |
| CN104261437A (en) * | 2014-10-10 | 2015-01-07 | 山东诺贝丰化学有限公司 | Continuous potassium nitrate production system combined with liquid ammonium nitrate production |
| CN105236452A (en) * | 2015-11-06 | 2016-01-13 | 化工部长沙设计研究院 | Technology for producing highly pure potassium nitrate through reaction of sodium nitrate and potassium chloride |
| CN206486297U (en) * | 2017-02-09 | 2017-09-12 | 四川好时吉化工有限公司 | Process for preparing potassium nitrate by double decomposition reactor |
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2018
- 2018-01-18 CN CN201810049378.9A patent/CN108083299B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB267996A (en) * | 1925-11-18 | 1927-03-18 | Arthur Lambert | Improvements in processes for the manufacture of potassium nitrate |
| GB343287A (en) * | 1930-01-23 | 1931-02-19 | Le Nitro Sel | Improvements in or relating to the manufacture of potassium nitrate |
| RU2317255C1 (en) * | 2006-09-13 | 2008-02-20 | Открытое акционерное общество "Азот" | Potassium nitrate production process |
| CN101234768A (en) * | 2007-01-31 | 2008-08-06 | 新疆硝石钾肥有限公司 | Method for producing potassium nitrate by sodium nitrate and potassium chloride double decomposition reaction |
| CN101143731A (en) * | 2007-09-05 | 2008-03-19 | 化工部长沙设计研究院 | Vacuum crystallization technique for producing potassium nitrate from potassium chloride by sodium nitrate |
| CN101177287A (en) * | 2007-11-16 | 2008-05-14 | 新疆硝石钾肥有限公司 | Method for producing potassium nitrate by chilisaltpeter ore transformation process |
| CN201454126U (en) * | 2009-08-18 | 2010-05-12 | 湖南丹化农资有限公司 | Vacuum concentration device for separating ammonium chloride in production of potassium nitrate |
| CN201458761U (en) * | 2009-08-18 | 2010-05-12 | 湖南丹化农资有限公司 | Vacuum cooling crystallizer for producing potassium nitrate |
| CN102838139A (en) * | 2012-10-09 | 2012-12-26 | 新疆安华矿业投资有限公司 | Method for producing potassium nitrate by utilizing salt lake brine in brine mixing mode |
| CN104261437A (en) * | 2014-10-10 | 2015-01-07 | 山东诺贝丰化学有限公司 | Continuous potassium nitrate production system combined with liquid ammonium nitrate production |
| CN105236452A (en) * | 2015-11-06 | 2016-01-13 | 化工部长沙设计研究院 | Technology for producing highly pure potassium nitrate through reaction of sodium nitrate and potassium chloride |
| CN206486297U (en) * | 2017-02-09 | 2017-09-12 | 四川好时吉化工有限公司 | Process for preparing potassium nitrate by double decomposition reactor |
Non-Patent Citations (2)
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| 张罡.我国硝酸钾生产工艺及装置概述.《化肥工业》.2011,第38卷(第38期),第7-12页. * |
| 李光耀等.真空结晶复分解法硝酸钾装置设计总结.《化肥设计》.2004,第第42卷卷(第第42卷期),第29-31页. * |
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| CN108083299A (en) | 2018-05-29 |
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